Abstract. We consider degenerate Radon transforms of the form
\( Rf(t,x)=\int_{\mathbb R} f(t+S(x,y),y)\psi(x,y)dy \)
where \(\psi\) is supported in a small neighborhood of the origin. Under the condition that S is real-analytic, we prove complete \(L^p-L^q\) estimates for R.
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Received: 7 June 2001; in final form: 10 February 2002/Published online: 2 December 2002
The author was supported in part by KOSEF grant no. 1999-2-102-003-5 (PI: Kang-Tae Kim) and BK21 Project (PI: Jong-Guk Bak).
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Lee, S. Endpoint \(L^p-L^q\) estimates for degenerate Radon transforms in \({\mathbb R}^2\) associated with real-analytic functions. Math Z 243, 817–841 (2003). https://doi.org/10.1007/s00209-002-0454-2
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DOI: https://doi.org/10.1007/s00209-002-0454-2